B.C. study finds low but increased risk of myocarditis after 2nd Moderna COVID shot

About seven million doses of Pfizer and 3.2 million doses of Moderna were administered. Nearly four million first doses were given, along with 3.8 million second doses and nearly 2.4 million third shots. Researchers identified 99 cases of myocarditis among a total of 10.2 million doses that were administered. Out of 100,000 second doses of Moderna administered to men between the ages of 18 and 29, the study found 22 cases of myocarditis. For men aged 18 to 24, it reported 56 cases per million doses after the Moderna vaccine compared with 52 cases per million doses for those who received a second shot of Pfizer.